2. Characteristics of the carcass and foot: The carcass of Ming Xuande porcelain is thicker than Yongle, and the fetal quality is fine, thin, white and hard. Plum bottles, large plates and large cans are mostly plain white with fine sand bottom, with smooth hands and red spots on their feet. Small and medium-sized devices are glazed bottoms.
3. Glaze color characteristics: The glaze color of Ming Xuande porcelain is full and moist, soft and not dazzling, with white glaze and blue glaze, commonly known as "bright blue glaze". The glaze is not smooth, like orange peel, commonly known as "orange peel glaze", and there are few glazes. If you look at it under a high magnification magnifying glass, the glaze is covered with large and small bubbles, and even small bubbles rub against large bubbles.
4. Blue and white materials: There are two kinds of blue and white materials for Ming Xuande porcelain: imported suma and linen. When drawing decorative patterns, there are both single use and mixed use, and it is often decided which cobalt material to use to draw that part of decorative patterns according to the different decorative patterns. In drawing, domestic materials are often used to draw lines lightly and imported materials are used to render.